Clock



FIG. 1 is a perspective view of a clock showing our new design, in a closed position;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front perspective view of a clock showing our new design, in an open position; and

FIG. 7 is a rear perspective view of the clock showing our new design, in an open position. 

The ornamental design for a clock, as shown and described. 